147491546 has 16 divisors (see below), whose sum is σ = 232056576. Its totient is φ = 70224336.

The previous prime is 147491483. The next prime is 147491549. The reversal of 147491546 is 645194741.

It is a super-2 number, since 2×147491546² = 43507512282940232, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147491549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17726 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (14503536).

Almost surely, 2^147491546 is an apocalyptic number.

147491546 is a deficient number, since it is larger than the sum of its proper divisors (84565030).

147491546 is a wasteful number, since it uses less digits than its factorization.

147491546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42493.

The product of its digits is 120960, while the sum is 41.

The square root of 147491546 is about 12144.6097508318. The cubic root of 147491546 is about 528.3508080567.

The spelling of 147491546 in words is "one hundred forty-seven million, four hundred ninety-one thousand, five hundred forty-six".